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12-09: Alternate Chemical Analysis for Drift Losses MeasurementsAtomic absorption analysis, recommended by CTI drift code (ATC 140) is one of the most accurate chemical analyses for drift loss measurement. Unfortunately, the results are never available immediately. It may introduce test uncertainty or even test miss evaluation in case of, as an example, a filter contamination, without the possibility to run the test again. An alternate method using the measurement of the conductivity of the filter washing water is

coupled with the demands of increasingly stringent environmental and safety rules

Modern all-organic corrosion control programs for cooling water treatment are generally based on phosphonate chemistry

including tower configurations

since the early 1060's

This paper reviews the major environmental regulations governing atmospheric emissions from cooling towers and examines some of the ways in which associated permit limits might influence cooling tower design and operation

detect upsets and take appropriate corrective action becomes increasingly important as systems are pushed harder to reduce total cost of operation

This presentation details some of the development problems encountered in obtaining almost 100% conversion of bromide ion to Hypobromite

Liquid biocides continue to be a popular choice for control of microorganisms in industrial water systems and numerous treatment options exist in both oxidizing and non-oxidizing biocide categories

Relative heat transfer rate data from experimental cooling tower tests and a field test will be used to show the effectiveness of various calcium phosphate dispersants in minimizing fouling

Leachate from each one-inch throughfall simulant removed 3% of the drift mass from litter compared to 7 to 9% from live foliage

Heat transfer coefficient measurements of this steady-state freezing process indicate improved performance over the traditional ice-on-coil process

and/or organic contamination could foul electrode surfaces

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